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writer/msl: Wrap each array type in a struct

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This allows them to be used in various places that WGSL allows, such
as function return types and parameters, and as the type of the RHS of
an assignment.

Fixed: tint:814
Fixed: tint:820
Change-Id: Idb6a901b9a34e96bb9733cc158191e7b3bafaa0e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52844
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-06-02 17:23:03 +00:00
committed by Tint LUCI CQ
parent 5c0820c76b
commit 94ac078990
50 changed files with 1713 additions and 32 deletions
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28
test/array/assign_to_subexpr.wgsl.expected.msl Normal file
View File

@@ -0,0 +1,28 @@
#include <metal_stdlib>
using namespace metal;
struct tint_array_wrapper_0 {
int array[4];
};
struct S {
tint_array_wrapper_0 arr;
};
struct tint_array_wrapper_1 {
tint_array_wrapper_0 array[2];
};
void foo() {
tint_array_wrapper_0 const src = {};
tint_array_wrapper_0 dst = {0};
S dst_struct = {};
tint_array_wrapper_1 dst_array = {{0}};
thread tint_array_wrapper_0* const dst_ptr = &(dst);
thread S* const dst_struct_ptr = &(dst_struct);
thread tint_array_wrapper_1* const dst_array_ptr = &(dst_array);
dst_struct.arr = src;
dst_array.array[1] = src;
*(dst_ptr) = src;
(*(dst_struct_ptr)).arr = src;
(*(dst_array_ptr)).array[0] = src;
}